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Scion xD vs. Pontiac G8 MPG

Chart is based on 372 fuel economy reports for the Scion xD and 201 fuel economy reports for the Pontiac G8.

Scion xD MPG

Scion xD Scion xD 2012 34.5 MPG Highway Percentage 80 percent Scion xD Scion xD 2010 38.2 MPG Highway Percentage 24 percent Scion xD Scion xD 2009 31.3 MPG Highway Percentage 46 percent Scion xD Scion xD 2009 31.8 MPG Highway Percentage 55 percent Scion xD Scion xD 2008 33.2 MPG Highway Percentage 48 percent Scion xD Scion xD 2008 29.1 MPG Highway Percentage 39 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2012 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
flat lead hvy 0 5 15 80 75 34.5  
2010 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
flat med hvy 22 27 28 24 70 38.2  
2009 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
flat med none 2 29 23 46 65 31.3  
2009 4dr Hatch 128-horsepower 1.8L I4
4-speed automatic FWD
flat med light 8 12 25 55 69 31.8  
2008 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
flat med light 8 12 32 48 63 33.2  
2008 4dr Hatch 128-horsepower 1.8L I4
4-speed automatic FWD
flat med light 10 19 31 39 65 29.1  

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This page shows only averages. See all the Scion xD fuel economy data.

Pontiac G8 MPG

Pontiac G8 Pontiac G8 2009 18.0 MPG Highway Percentage 61 percent Pontiac G8 Pontiac G8 2009 18.6 MPG Highway Percentage 68 percent Pontiac G8 Pontiac G8 2009 21.0 MPG Highway Percentage 30 percent Pontiac G8 Pontiac G8 2008 18.5 MPG Highway Percentage 52 percent Pontiac G8 Pontiac G8 2008 19.1 MPG Highway Percentage 69 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
hills lead light 10 14 16 61 75 18.0  
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat light light 3 21 9 68 63 18.6  
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 2 10 58 30 65 21.0  
2008 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat med none 10 21 16 52 75 18.5  
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med none 0 0 31 69 60 19.1  

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This page shows only averages. See all the Pontiac G8 fuel economy data.

Scion xD vs. Pontiac G8 MPG

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Scion xD and Pontiac G8's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

See TrueDelta's information for all Hatchbacks
See TrueDelta's information for all Scion models and Pontiac models.

What Our Members Are Saying about the Real Gas Mileage of the Scion xD

Scion xD Real Gas Mileage: Pros
YearBody/PowertrainComment
2009 4dr Hatch 128-horsepower 1.8L I4
4-speed automatic FWD
30+ mpg, HUGE improvement over my old car see full Scion xD review
2009 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
The fuel sipping properties of the XD are between 28 mpg and 37 mpg which for me is pretty good. see full Scion xD review
2008 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
i like only spending like 10 bucks a week on gas. see full Scion xD review
2008 4dr Hatch 128-horsepower 1.8L I4
5-speed manual FWD
30+ in the City. Need I say more? see full Scion xD review
2008 4dr Hatch 128-horsepower 1.8L I4
4-speed automatic FWD
Get highway mileage. see full Scion xD review
2008 4dr Hatch 128-horsepower 1.8L I4
4-speed automatic FWD
without being a hybrid, one of the best, and you still have power! see full Scion xD review
 

What Our Members Are Saying about the Real Gas Mileage of the Pontiac G8

Pontiac G8 Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed shiftable automatic RWD
Low teens in town, and 24mpg tops on the highway make this a less than ideal economy car. see full Pontiac G8 review
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
The most MPGs I ever had was 25 and that was all highway driving at about 70. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Not bad mileage figures given the size of the car and the beast of an engine, but this is not a car for the hybrid set. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Is very low in stop-and-go traffic. Gets better with time, I understand. see full Pontiac G8 review
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
Average fuel economy 15 mpg in mixed driving. see full Pontiac G8 review
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
low 18 mpg city see full Pontiac G8 review